EP2275733A1 - Vehicle component made of a polycarbonate with optical effect - Google Patents

Vehicle component made of a polycarbonate with optical effect Download PDF

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Publication number
EP2275733A1
EP2275733A1 EP10012621A EP10012621A EP2275733A1 EP 2275733 A1 EP2275733 A1 EP 2275733A1 EP 10012621 A EP10012621 A EP 10012621A EP 10012621 A EP10012621 A EP 10012621A EP 2275733 A1 EP2275733 A1 EP 2275733A1
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EP
European Patent Office
Prior art keywords
component
polycarbonate
reflection prisms
light
prisms
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP10012621A
Other languages
German (de)
French (fr)
Inventor
Ralf Schwaighofer
Andreas Lang
Markus Boss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Webasto SE
Original Assignee
Webasto SE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Webasto SE filed Critical Webasto SE
Publication of EP2275733A1 publication Critical patent/EP2275733A1/en
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J7/00—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs
    • B60J7/08—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position
    • B60J7/12—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position foldable; Tensioning mechanisms therefor, e.g. struts
    • B60J7/1226—Soft tops for convertible vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/30—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces
    • B60Q1/302—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces mounted in the vicinity, e.g. in the middle, of a rear window
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/20—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartments; mounted on specific fittings of passenger or driving compartments
    • B60Q3/208—Sun roofs; Windows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/40—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors specially adapted for specific vehicle types
    • B60Q3/49—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors specially adapted for specific vehicle types for vehicles with non-fixed roofs, e.g. convertibles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/60—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
    • B60Q3/62—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides
    • B60Q3/64—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides for a single lighting device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/70—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose
    • B60Q3/74—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for overall compartment lighting; for overall compartment lighting in combination with specific lighting, e.g. room lamps with reading lamps
    • B60Q3/745—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for overall compartment lighting; for overall compartment lighting in combination with specific lighting, e.g. room lamps with reading lamps using lighting panels or mats, e.g. electro-luminescent panels, LED mats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/001—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles integrated in the windows, e.g. Fresnel lenses

Definitions

  • the invention relates to a component of a vehicle having the features of the preamble of claim 1.
  • optical parking aids which are glued to the inside of a rear window and have a scattered lens effect, so that a larger area behind the vehicle is visible to the driver.
  • the DE 41 09 532 A1 shows a generic vehicle component having a base made of polycarbonate base, on the inside hemispherical or fish-like light reflection parts are formed. On the light reflection parts, a light interception layer is applied, in which a plurality of passage openings in the form of holes or slots are formed. A light emitting element mounted on the inside of the base part can send light out through the passage openings.
  • the object of the invention is to provide an aforementioned component which is improved in terms of its optical effect.
  • optical change is by a first
  • Component of the component formed which has reflection prisms on the inside, and between the areas with reflection prisms, a second component, in particular of polycarbonate, arranged or mounted on the inside of the component, which is at least less transparent than the first component.
  • the component has at least one region which is optically changeable by material design of the photoconductive polycarbonate relative to an adjacent component region.
  • one or the optically changeable region is formed by a first component of the component, which has reflection prisms on the inside, and that adjacent to the region with reflection prisms or between the regions with reflection prisms a second component, in particular of polycarbonate , is arranged or attached to the inside of the component, which is at least less transparent than the first component.
  • At the area or a reflective surface containing the reflection prisms from the outside incident light is reflected outwardly in the manner of cat's eyes and / or distributed inwards and used for illumination or the generation of an optical pattern.
  • the reflection prisms can be illuminated on the inside, so that on the light pipe in the first component on the outside of the component or the first component illuminated reflecting surfaces are visible.
  • the reflection prisms are formed on the polycarbonate of the first component.
  • the reflection prisms are formed on the first component as an independent component made of light-conducting polycarbonate and are mounted flat on the inside of the first component.
  • the component containing the reflection prisms can be attached to the first component by means of clip connections, wherein in particular the clips are formed on the second component and can be releasably secured to associated mounts of the first component.
  • an optical change in the areas having the reflection prisms can be achieved by coloring the polycarbonate or by selecting the light color of the light source.
  • the component is a roof part of a folding or folding roof of a convertible or a roof part of a fixed vehicle roof or a part of such a roof part.
  • a component 1 of a vehicle is made in an injection molding tool of two layer-like components 2 and 3.
  • the first component 2, which forms an outer side 4 of the component 1, is made of, in particular, transparent polycarbonate.
  • the second component 3 is molded onto the first component 2 in the injection molding tool in a known 2K sharpening process.
  • the first component 2 is formed with a rib 6 extending inwardly through a recess 5 in the second component 3.
  • the rib 6 is largely encased by the second component 3, so that only a narrow region of the rib 6, z.
  • B. a forehead area or a side area (as in Fig. 1 shown), is uncovered by the second component 3. At least one lighting device or light source such. B.
  • a light-emitting diode 7 is arranged on the second component 3, that they can irradiate light (see arrow 8) at the uncovered point in the rib 6 and thus in the first component 2.
  • This light 7 is conducted via the rib 6 to the outer surface or outer side 4 of the first component 2 or the component 1, which is transparent or only slightly tinted and thus formed light-conducting.
  • the light 7 can be seen on the outer side 4 of the first component 2 over an elongate region corresponding to the rib 6 (see FIG Fig. 2 ).
  • the lighting device or light-emitting diode 7 may be arranged on the second component 3 to the inside optically hidden.
  • the rib 6 can also be encapsulated on the inside by the second component 3 in such a way that an inside light exit surface remains, so that light can also be directed inward or can be seen from the inside on the rib 6.
  • the component 1 may be a roof part of a fixed roof or a folding roof of a convertible and the rib 6 may serve for interior lighting or at least optical effects on the inside as well as on the outside laterally on the roof part or on the top of the roof part.
  • the rib 6 may be formed continuously or intermittently.
  • the rib 6 may be formed in any narrow or wide shapes. As a result, lines, circles, surfaces or crossed paths as well as any luminous points or areas with one or more ribs can be produced.
  • a component 10 contains according to a second embodiment, a first component 11 made of transparent or photoconductive polycarbonate and a molded onto the inside 12 in a 2K injection molding second component 13, which covers certain areas of the first component 11 inside and leaves certain areas 14 uncovered, where the first component 11 has reflection prisms 15 on its inner side 12. These areas form reflective surfaces (in Fig. 4 designated by reference numeral 14) at which external light is reflected and distributed outwardly in the manner of cat's eyes and / or inwardly and serves for illumination or generation of an optical pattern.
  • Fig. 4 shows as a component 10, a rear roof part of a folding roof of a convertible, on the side wall of the reflection surfaces 14 are arranged.
  • the reflection prisms 15 can be illuminated on the inside by a lighting device (not shown), which is mounted on the inside in particular on the second component 13, so that reflecting surfaces illuminated on the outside of the component 10 or the first component 11 via the light pipe in the first component 11 are visible are.
  • the reflection prisms 15 may also be formed as an independent component of licht compassiondem polycarbonate and attached to the inside of the first component 11 surface, z. Example, by clip connections to the first component 11, wherein the clips can be formed on the second component and releasably secured to associated brackets of the first component.
  • the component having the reflection prisms 15 may also be provided as an accessory for retrofitting to the inside of a vehicle window.
  • a component 20 (see FIGS. 5 and 6 ), z.
  • a rear roof element 21 of a folding roof of a convertible is formed according to a third embodiment of a first component 22 of polycarbonate, wherein in addition to the rear window 23 made of transparent polycarbonate by regionally coloring or film covering other areas of the roof element 21 as side surfaces 24 or frame-like borders 25th the rear window 23 are not formed transparent.
  • the non-transparent cover can also be made by injecting a second component 26 in the used 2K injection molding process to the inside 27 of the first component 22.
  • an optic 28 or lens device can be formed on the rear window 23, which increases the area behind the vehicle and can serve as a known optical parking aid.
  • the material design or material thickening may be formed in the manner of a scattered or Fresnel lens.
  • This optics or lens device or another optics 29 or lens device (in Fig. 5 shown in dashed lines) can also be formed in the region of the second component 26, in which then a corresponding recess is formed.

Abstract

The part (10) has a component (11) forming optical change in the part and exhibiting inner sided reflection prisms (15), where the part is made of polycarbonate that is deformed during injection molding process. Another component (13) is arranged at an inner side (12) of the part between areas (14) that are provided with the prisms, and made of polycarbonate. The latter component is less transparent than the former component. The areas exhibiting optical change in the prisms are obtained by coloring the polycarbonate or by selection of colors of a light source i.e. LED.

Description

Die Erfindung betrifft ein Bauteil eines Fahrzeugs mit den Merkmalen des Oberbegriffs des Anspruchs 1.The invention relates to a component of a vehicle having the features of the preamble of claim 1.

Zur Erzielung einer optischen Wirkung ist aus der DE 103 43 778 A1 bekannt, eine flächige Lichtleiterplatte aus thermoplastischem Kunststoff wie insbesondere aus Polycarbonat (PC) als Lichtdach zur großflächigen Erhellung eines Fahrzeuginnenraumes zu verwenden.To achieve an optical effect is from the DE 103 43 778 A1 known to use a sheet-like light guide plate made of thermoplastic material such as in particular polycarbonate (PC) as a light roof for large-scale illumination of a vehicle interior.

Des weiteren sind optische Einparkhilfen bekannt, die an die Innenseite einer Heckscheibe geklebt werden und einen Streulinseneffekt aufweisen, so dass ein größerer Bereich hinter dem Fahrzeug vom Fahrer einzusehen ist.Furthermore, optical parking aids are known, which are glued to the inside of a rear window and have a scattered lens effect, so that a larger area behind the vehicle is visible to the driver.

Die DE 41 09 532 A1 zeigt ein gattungsgemäßes Fahrzeugbauteil, das ein aus Polycarbonat hergestelltes Basisteil aufweist, an dem innenseitig halbkugel- oder fischaugenartige Lichtreflexionsteile gebildet sind. Auf die Lichtreflexionsteile ist eine Lichtauffangschicht aufgebracht, in der eine Vielzahl von Durchtrittsöffnungen in Form von Löchern oder Schlitzen gebildet sind. Ein an der Innenseite des Basisteils angebrachtes Lichtemitterelement kann Licht durch die Durchtrittsöffnungen nach außen senden.The DE 41 09 532 A1 shows a generic vehicle component having a base made of polycarbonate base, on the inside hemispherical or fish-like light reflection parts are formed. On the light reflection parts, a light interception layer is applied, in which a plurality of passage openings in the form of holes or slots are formed. A light emitting element mounted on the inside of the base part can send light out through the passage openings.

Aufgabe der Erfindung ist es, ein eingangs genanntes Bauteil zu schaffen, das hinsichtlich seiner optischen Wirkung verbessert ist.The object of the invention is to provide an aforementioned component which is improved in terms of its optical effect.

Diese Aufgabe wird erfindungsgemäß durch ein Bauteil mit den Merkmalen des Anspruchs 1 gelöst. Demnach ist die optische Veränderung durch eine ersteThis object is achieved by a component having the features of claim 1. Accordingly, the optical change is by a first

Komponente des Bauteils gebildet, die innenseitig Reflexionsprismen aufweist, und zwischen den Bereichen mit Reflexionsprismen ist eine zweite Komponente, insbesondere aus Polycarbonat, an der Innenseite des Bauteils angeordnet oder angebracht, die zumindest weniger transparent ist wie die erste Komponente.Component of the component formed, which has reflection prisms on the inside, and between the areas with reflection prisms, a second component, in particular of polycarbonate, arranged or mounted on the inside of the component, which is at least less transparent than the first component.

Durch die An- oder Umformung des Polycarbonatmaterials beim Spritzgießvorgang können Gestaltungen für unterschiedlichste optische Effekte in einfacher Weise und hoher Qualität an teiltransparenten oder volltransparenten Bauteilen hergestellt werden.By the arrival or reshaping of the polycarbonate material in the injection molding processes designs for a variety of optical effects in a simple manner and high quality of partially transparent or fully transparent components can be produced.

Vorteilhafte Ausgestaltungen der Erfindung sind in den abhängigen Ansprüchen angegeben.Advantageous embodiments of the invention are specified in the dependent claims.

In bevorzugter Gestaltung kann vorgesehen sein, dass das Bauteil zumindest einen Bereich aufweist, der durch Materialgestaltung des lichtleitenden Polycarbonats relativ zu einem angrenzenden Bauteilbereich optisch veränderbar ist.In a preferred embodiment it can be provided that the component has at least one region which is optically changeable by material design of the photoconductive polycarbonate relative to an adjacent component region.

In bevorzugter Gestaltung kann vorgesehen sein, dass ein bzw. der optisch veränderbare Bereich durch eine erste Komponente des Bauteils gebildet ist, die innenseitig Reflexionsprismen aufweist, und dass angrenzend an den Bereich mit Reflexionsprismen oder zwischen den Bereichen mit Reflexionsprismen eine zweite Komponente, insbesondere aus Polycarbonat, an der Innenseite des Bauteils angeordnet oder angebracht ist, die zumindest weniger transparent ist wie die erste Komponente.In a preferred embodiment it can be provided that one or the optically changeable region is formed by a first component of the component, which has reflection prisms on the inside, and that adjacent to the region with reflection prisms or between the regions with reflection prisms a second component, in particular of polycarbonate , is arranged or attached to the inside of the component, which is at least less transparent than the first component.

In bevorzugter Gestaltung kann vorgesehen sein, dass an dem Bereich bzw. einer die Reflexionsprismen enthaltenden Reflexionsfläche von außen einstrahlendes Licht nach außen hin in der Art von Katzenaugen reflektiert und/oder nach innen hin verteilt wird und zur Beleuchtung oder der Erzeugung eines optischen Musters dient.In a preferred embodiment it can be provided that at the area or a reflective surface containing the reflection prisms from the outside incident light is reflected outwardly in the manner of cat's eyes and / or distributed inwards and used for illumination or the generation of an optical pattern.

In bevorzugter Gestaltung kann vorgesehen sein, dass durch eine insbesondere an der zweiten Komponente innenseitig gelagerte Leuchteinrichtung die Reflexionsprismen innenseitig anstrahlbar sind, so dass über die Lichtleitung in der ersten Komponente an der Außenseite des Bauteils bzw. der ersten Komponente beleuchtete Reflexionsflächen sichtbar sind.In a preferred embodiment it can be provided that by a particular on the second component inside mounted lighting device, the reflection prisms can be illuminated on the inside, so that on the light pipe in the first component on the outside of the component or the first component illuminated reflecting surfaces are visible.

In bevorzugter Gestaltung kann vorgesehen sein, dass die Reflexionsprismen an dem Polycarbonat der ersten Komponente gebildet sind.In a preferred embodiment it can be provided that the reflection prisms are formed on the polycarbonate of the first component.

In bevorzugter Gestaltung kann vorgesehen sein, dass die Reflexionsprismen an der ersten Komponente als eigenständiges Bauteil aus lichtleitendem Polycarbonat gebildet sind und an der Innenseite der ersten Komponente flächig angebracht sind.In a preferred embodiment it can be provided that the reflection prisms are formed on the first component as an independent component made of light-conducting polycarbonate and are mounted flat on the inside of the first component.

In bevorzugter Gestaltung kann vorgesehen sein, dass das die Reflexionsprismen enthaltende Bauteil durch Clipsverbindungen an der ersten Komponente anbringbar ist, wobei insbesondere die Clipse an der zweiten Komponente gebildet sind und an zugeordneten Halterungen der ersten Komponente lösbar festlegbar sind.In a preferred embodiment it can be provided that the component containing the reflection prisms can be attached to the first component by means of clip connections, wherein in particular the clips are formed on the second component and can be releasably secured to associated mounts of the first component.

In bevorzugter Gestaltung kann vorgesehen sein, eine optische Veränderung in den die Reflexionsprismen aufweisenden Bereichen durch Einfärbung des Polycarbonats oder durch Wahl der Lichtfarbe der Lichtquelle erzielbar sind.In a preferred embodiment, it can be provided that an optical change in the areas having the reflection prisms can be achieved by coloring the polycarbonate or by selecting the light color of the light source.

Bevorzugt ist das Bauteil ein Dachteil eines Falt- oder Klappdaches eines Cabriolets oder ein Dachteil eines festen Fahrzeugdaches oder ein Bestandteil eines solchen Dachteils.Preferably, the component is a roof part of a folding or folding roof of a convertible or a roof part of a fixed vehicle roof or a part of such a roof part.

Nachfolgend werden Ausführungsbeispiele des Bauteils unter Bezugnahme auf die Zeichnung näher erläutert. Es zeigt:

Fig. 1
in einer Schnittansicht ein erstes Ausführungsbeispiel eines Bauteils, bei dem Licht einer Leuchteinrichtung innenseitig eingestrahlt wird;
Fig. 2
in einer außenseitigen Draufsicht das Bauteil mit der Darstellung des leuchtenden Bereiches an der Außenseite des Bauteils;
Fig. 3
in einer Schnittansicht ein zweites Ausführungsbeispiel eines Bauteils;
Fig. 4
in einer außenseitigen Draufsicht das Bauteil der Fig. 3 in einer Anord- nung an einem Seitenteil eines hinteren Dachelements eines Klappda- ches eines Cabriolets;
Fig. 5
in einer perspektivischen Draufsicht ein drittes Ausführungsbeispiel eines Bauteils mit einer optischen Einrichtung zur Vergrößerung des Blickfeldes; und
Fig. 6
in einer Schnittansicht gemäß Linie A - A in Fig. 5 das Bauteil mit der optischen Vergrößerungseinrichtung.
Embodiments of the component will be explained in more detail with reference to the drawing. It shows:
Fig. 1
in a sectional view, a first embodiment of a component, is irradiated on the inside of the light of a lighting device;
Fig. 2
in an outside plan view of the component with the representation of the luminous area on the outside of the component;
Fig. 3
in a sectional view, a second embodiment of a component;
Fig. 4
in an outside plan view of the component of Fig. 3 in an arrangement on a side part of a rear roof element of a folding roof of a convertible;
Fig. 5
in a perspective plan view of a third embodiment of a component with an optical device for enlarging the field of view; and
Fig. 6
in a sectional view along line A - A in Fig. 5 the component with the optical magnification device.

Ein Bauteil 1 eines Fahrzeugs (siehe Fig. 1 und 2) ist in einem Spritzgusswerkzeug aus zwei schichtartigen Komponenten 2 und 3 hergestellt. Die erste Komponente 2, die eine Außenseite 4 des Bauteils 1 bildet, ist aus insbesondere transparentem Polycarbonat hergestellt. Die zweite Komponente 3 ist in dem Spritzgusswerkzeug in einem an sich bekannten 2K-Spitzvorgang an die erste Komponente 2 angespritzt. Die erste Komponente 2 ist mit einer sich einwärts durch eine Aussparung 5 in der zweiten Komponente 3 erstreckenden Rippe 6 gebildet. Die Rippe 6 ist von der zweiten Komponente 3 weitgehend ummantelt, so dass lediglich ein schmaler Bereich der Rippe 6, z. B. ein Stirnbereich oder ein Seitenbereich (wie in Fig. 1 dargestellt), von der zweiten Komponente 3 unbedeckt ist. Zumindest eine Leuchteinrichtung oder Lichtquelle wie z. B. eine Leuchtdiode 7 ist derart an der zweiten Komponente 3 angeordnet, dass sie Licht (siehe Pfeil 8) an der unbedeckten Stelle in die Rippe 6 und damit in die erste Komponente 2 einstrahlen kann. Dieses Licht 7 wird über die Rippe 6 zur Außenfläche oder Außenseite 4 der ersten Komponente 2 bzw. des Bauteils 1 geleitet, die transparent oder nur leicht getönt und damit lichtleitend gebildet ist. Das Licht 7 ist an der Außenseite 4 der ersten Komponente 2 über einen der Rippe 6 entsprechenden länglichen Bereich zu sehen (siehe Fig. 2).A component 1 of a vehicle (see Fig. 1 and 2 ) is made in an injection molding tool of two layer-like components 2 and 3. The first component 2, which forms an outer side 4 of the component 1, is made of, in particular, transparent polycarbonate. The second component 3 is molded onto the first component 2 in the injection molding tool in a known 2K sharpening process. The first component 2 is formed with a rib 6 extending inwardly through a recess 5 in the second component 3. The rib 6 is largely encased by the second component 3, so that only a narrow region of the rib 6, z. B. a forehead area or a side area (as in Fig. 1 shown), is uncovered by the second component 3. At least one lighting device or light source such. B. a light-emitting diode 7 is arranged on the second component 3, that they can irradiate light (see arrow 8) at the uncovered point in the rib 6 and thus in the first component 2. This light 7 is conducted via the rib 6 to the outer surface or outer side 4 of the first component 2 or the component 1, which is transparent or only slightly tinted and thus formed light-conducting. The light 7 can be seen on the outer side 4 of the first component 2 over an elongate region corresponding to the rib 6 (see FIG Fig. 2 ).

Die Leuchteinrichtung oder Leuchtdiode 7 kann an der zweiten Komponente 3 zur Innenseite optisch verdeckt angeordnet sein. Die Rippe 6 kann innenseitig auch derart von der zweiten Komponente 3 umspritzt sein, dass eine innenseitige Lichtaustrittsfläche verbleibt, so dass auch Licht nach innen gerichtet sein kann bzw. von innen an der Rippe 6 zu sehen ist.The lighting device or light-emitting diode 7 may be arranged on the second component 3 to the inside optically hidden. The rib 6 can also be encapsulated on the inside by the second component 3 in such a way that an inside light exit surface remains, so that light can also be directed inward or can be seen from the inside on the rib 6.

Des weiteren kann auch Licht wie z. B. Umgebungslicht von der Außenseite 4 über die Rippe 6 zur Innenseite geleitet werden und somit einen optischen Lichteffekt erzeugen. Das Bauteil 1 kann ein Dachteil eines festen Daches oder eines Klappdaches eines Cabriolets sein und die Rippe 6 kann zur Innenraumbeleuchtung dienen oder zumindest optische Effekte innenseitig wie auch außenseitig seitlich am Dachteil oder an der Oberseite des Dachteils erzeugen.Furthermore, light such. B. ambient light from the outside 4 via the rib 6 are directed to the inside and thus produce an optical light effect. The component 1 may be a roof part of a fixed roof or a folding roof of a convertible and the rib 6 may serve for interior lighting or at least optical effects on the inside as well as on the outside laterally on the roof part or on the top of the roof part.

Die Rippe 6 kann durchgehend oder mit Unterbrechungen gebildet sein. Die Rippe 6 kann in beliebigen schmalen oder breiten Formen gebildet sein. Demzufolge lassen sich Linien, Kreise, Flächen oder gekreuzte Bahnen sowie beliebige Leuchtpunkte oder Flächen mit einer oder mit mehreren Rippen herstellen.The rib 6 may be formed continuously or intermittently. The rib 6 may be formed in any narrow or wide shapes. As a result, lines, circles, surfaces or crossed paths as well as any luminous points or areas with one or more ribs can be produced.

Ein Bauteil 10 (siehe Fig. 3 und 4) enthält gemäß einem zweiten Ausführungsbeispiel eine erste Komponente 11 aus transparentem bzw. lichtleitendem Polycarbonat und eine an die Innenseite 12 in einem 2K-Spritzgießverfahren angespritzte zweite Komponente 13, die bestimmte Bereiche der ersten Komponente 11 innenseitig abdeckt und bestimmte Bereiche 14 unbedeckt lässt, an denen die erste Komponente 11 Reflexionsprismen 15 an ihrer Innenseite 12 aufweist. Diese Bereiche bilden Reflexionsflächen (in Fig. 4 mit Bezugszeichen 14 bezeichnet), an denen von außen einstrahlendes Licht nach außen hin in der Art von Katzenaugen und/oder nach innen hin reflektiert und verteilt wird und zur Beleuchtung oder der Erzeugung eines optischen Musters dient.A component 10 (see 3 and 4 ) contains according to a second embodiment, a first component 11 made of transparent or photoconductive polycarbonate and a molded onto the inside 12 in a 2K injection molding second component 13, which covers certain areas of the first component 11 inside and leaves certain areas 14 uncovered, where the first component 11 has reflection prisms 15 on its inner side 12. These areas form reflective surfaces (in Fig. 4 designated by reference numeral 14) at which external light is reflected and distributed outwardly in the manner of cat's eyes and / or inwardly and serves for illumination or generation of an optical pattern.

Fig. 4 zeigt als Bauteil 10 ein hinteres Dachteil eines Klappdaches eines Cabriolets, an dessen Seitenwand die Reflexionsflächen 14 angeordnet sind. Fig. 4 shows as a component 10, a rear roof part of a folding roof of a convertible, on the side wall of the reflection surfaces 14 are arranged.

Des weiteren kann durch eine insbesondere an der zweiten Komponente 13 innenseitig gelagerte Leuchteinrichtung (nicht dargestellt) die Reflexionsprismen 15 innenseitig angestrahlt werden, so dass über die Lichtleitung in der ersten Komponente 11 an der Außenseite des Bauteils 10 bzw. der ersten Komponente 11 beleuchtete Reflexionsflächen sichtbar sind.Furthermore, the reflection prisms 15 can be illuminated on the inside by a lighting device (not shown), which is mounted on the inside in particular on the second component 13, so that reflecting surfaces illuminated on the outside of the component 10 or the first component 11 via the light pipe in the first component 11 are visible are.

Statt der Ausbildung der Reflexionsprismen 15 an der ersten Komponente 11 können die Reflexionsprismen 15 auch als eigenständiges Bauteil aus lichtleitendem Polycarbonat gebildet sein und an der Innenseite der ersten Komponente 11 flächig angebracht werden, z. B. durch Clipsverbindungen an der ersten Komponente 11, wobei die Clipse an der zweiten Komponente gebildet sein können und an zugeordneten Halterungen der ersten Komponente lösbar festgelegt werden. Das die Reflexionsprismen 15 aufweisende Bauteil kann auch als Zubehörteil zum nachträglichen Anbringen an der Innenseite einer Fahrzeugscheibe vorgesehen sein.Instead of the formation of the reflection prisms 15 on the first component 11, the reflection prisms 15 may also be formed as an independent component of lichtleitendem polycarbonate and attached to the inside of the first component 11 surface, z. Example, by clip connections to the first component 11, wherein the clips can be formed on the second component and releasably secured to associated brackets of the first component. The component having the reflection prisms 15 may also be provided as an accessory for retrofitting to the inside of a vehicle window.

Durch Einfärbung des Polycarbonats oder durch Wahl der Lichtfarbe der Lichtquelle können farbliche Effekte erzielt werden.By coloring the polycarbonate or by choosing the light color of the light source color effects can be achieved.

Ein Bauteil 20 (siehe Fig. 5 und 6), z. B. ein hinteres Dachelement 21 eines Klappdaches eines Cabriolets, ist gemäß einem dritten Ausführungsbeispiel von einer ersten Komponente 22 aus Polycarbonat gebildet, wobei neben der Heckscheibe 23 aus transparentem Polycarbonat durch bereichsweises Einfärben oder Folienabdecken andere Bereiche des Dachelements 21 wie Seitenflächen 24 oder rahmenartige Umrandungen 25 der Heckscheibe 23 nicht transparent gebildet sind. Die nicht transparente Abdeckung kann auch durch Anspritzen einer zweiten Komponente 26 in dem verwendeten 2K-Spritzgießverfahren an die Innenseite 27 der ersten Komponente 22 erfolgen.A component 20 (see FIGS. 5 and 6 ), z. As a rear roof element 21 of a folding roof of a convertible, is formed according to a third embodiment of a first component 22 of polycarbonate, wherein in addition to the rear window 23 made of transparent polycarbonate by regionally coloring or film covering other areas of the roof element 21 as side surfaces 24 or frame-like borders 25th the rear window 23 are not formed transparent. The non-transparent cover can also be made by injecting a second component 26 in the used 2K injection molding process to the inside 27 of the first component 22.

Durch eine Materialgestaltung oder Materialverdickung der ersten Komponente 22 kann eine Optik 28 oder Linseneinrichtung an der Heckscheibe 23 ausgeformt werden, die den Bereich hinter dem Fahrzeug vergrößert und als an sich bekannte optische Einparkhilfe dienen kann. Die Materialgestaltung oder Materialverdickung kann in der Art einer Streu- oder Fresnell-Linse gebildet sein. Diese Optik oder Linseneinrichtung oder eine weitere Optik 29 oder Linseneinrichtung (in Fig. 5 strichliert dargestellt) kann auch im Bereich der zweiten Komponente 26 gebildet sein, in der dann eine entsprechende Aussparung gebildet ist.By a material design or material thickening of the first component 22, an optic 28 or lens device can be formed on the rear window 23, which increases the area behind the vehicle and can serve as a known optical parking aid. The material design or material thickening may be formed in the manner of a scattered or Fresnel lens. This optics or lens device or another optics 29 or lens device (in Fig. 5 shown in dashed lines) can also be formed in the region of the second component 26, in which then a corresponding recess is formed.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Bauteilcomponent
22
erste Komponentefirst component
33
zweite Komponentesecond component
44
Außenseiteoutside
55
Aussparungrecess
66
Ripperib
77
Leuchtdiodeled
88th
Lichtlight
1010
Bauteilcomponent
1111
erste Komponentefirst component
1212
Innenseiteinside
1313
zweite Komponentesecond component
1414
BereichArea
1515
Reflexionsprismenreflection prisms
2020
Bauteilcomponent
2121
hinteres Dachelementrear roof element
2222
erste Komponentefirst component
2323
Heckscheiberear window
2424
Seitenflächeside surface
2525
Umrandungborder
2626
zweite Komponentesecond component
2727
Innenseiteinside
2828
Optikoptics
2929
Optikoptics

Claims (10)

Bauteil eines Fahrzeugs, das aus Polycarbonat hergestellt ist und das durch Materialgestaltung des lichtleitenden Polycarbonats optische Veränderungen bereitstellt,
dadurch gekennzeichnet,
dass die optische Veränderung durch eine erste Komponente (11) des Bauteils (10) gebildet ist, die innenseitig Reflexionsprismen (15) aufweist, und
dass zwischen den Bereichen (14) mit Reflexionsprismen (15) eine zweite Komponente (13), insbesondere aus Polycarbonat, an der Innenseite (12) des Bauteils (10) angeordnet oder angebracht ist, die zumindest weniger transparent ist wie die erste Komponente (11).Component of a vehicle which is made of polycarbonate and which provides optical changes by material design of the photoconductive polycarbonate,
characterized,
that the optical change by a first component (11) of the component (10) is formed which has on the inside reflection prisms (15), and
that between the areas (14) with reflection prisms (15) a second component (13), in particular made of polycarbonate, on the inner side (12) of the component (10) or attached, which is at least less transparent as the first component (11 ). Bauteil nach Anspruch 1,
dadurch gekennzeichnet, dass das Bauteil zumindest einen Bereich aufweist, der durch Materialgestaltung des lichtleitenden Polycarbonats relativ zu einem angrenzenden Bauteilbereich optisch veränderbar ist.Component according to claim 1,
characterized in that the component has at least one region which is optically variable by material design of the photoconductive polycarbonate relative to an adjacent component region. Bauteil nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass ein bzw. der optisch veränderbare Bereich durch eine erste Komponente (11) des Bauteils (10) gebildet ist, die innenseitig Reflexionsprismen (15) aufweist, und
dass angrenzend an den Bereich mit Reflexionsprismen (15) oder zwischen den Bereichen (14) mit Reflexionsprismen (15) eine zweite Komponente (13), insbesondere aus Polycarbonat, an der Innenseite (12) des Bauteils (10) angeordnet oder angebracht ist, die zumindest weniger transparent ist wie die erste Komponente (11).Component according to claim 1 or 2,
characterized in that one or the optically changeable region is formed by a first component (11) of the component (10) which has reflection prisms (15) on the inside, and
in that, adjacent to the area with reflection prisms (15) or between the areas (14) with reflection prisms (15), a second component (13), in particular of polycarbonate, is arranged or mounted on the inside (12) of the component (10) at least less transparent than the first component (11). Bauteil nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass an dem Bereich bzw. einer die Reflexionsprismen enthaltenden Reflexionsfläche von außen einstrahlendes Licht nach außen hin in der Art von Katzenaugen reflektiert und/oder nach innen hin verteilt wird und zur Beleuchtung oder der Erzeugung eines optischen Musters dient.Component according to one of claims 1 to 3,
characterized in that at the area or a reflective surface containing the reflection prisms from the outside incident light is reflected outwardly in the manner of cat's eyes and / or distributed inwards and used for illumination or the generation of an optical pattern. Bauteil nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, dass durch eine insbesondere an der zweiten Komponente (13) innenseitig gelagerte Leuchteinrichtung die Reflexionsprismen (15) innenseitig anstrahlbar sind, so dass über die Lichtleitung in der ersten Komponente (11) an der Außenseite des Bauteils (10) bzw. der ersten Komponente (11) beleuchtete Reflexionsflächen sichtbar sind.Component according to one of claims 1 to 4,
characterized in that the reflection prisms (15) can be illuminated on the inside by a light-emitting device mounted on the inside, in particular on the second component (13), so that via the light pipe in the first component (11) on the outside of the component (10) or the first Component (11) illuminated reflecting surfaces are visible. Bauteil nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, dass die Reflexionsprismen (15) an dem Polycarbonat der ersten Komponente (11) gebildet sind.Component according to one of claims 1 to 5,
characterized in that the reflection prisms (15) are formed on the polycarbonate of the first component (11). Bauteil nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, dass die Reflexionsprismen (15) an der ersten Komponente (11) als eigenständiges Bauteil aus lichtleitendem Polycarbonat gebildet sind und an der Innenseite der ersten Komponente (11) flächig angebracht sind.Component according to one of claims 1 to 5,
characterized in that the reflection prisms (15) on the first component (11) are formed as an independent component made of light-conducting polycarbonate and are attached flat on the inside of the first component (11). Bauteil nach Anspruch 7,
dadurch gekennzeichnet, dass das die Reflexionsprismen (15) enthaltende Bauteil durch Clipsverbindungen an der ersten Komponente (11) anbringbar ist, wobei insbesondere die Clipse an der zweiten Komponente (13) gebildet sind und an zugeordneten Halterungen der ersten Komponente (11) lösbar festlegbar sind.Component according to claim 7,
characterized in that the component containing the reflection prisms (15) can be attached by clip connections to the first component (11), wherein in particular the clips on the second component (13) are formed and releasably secured to associated brackets of the first component (11) , Bauteil nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, dass eine optische Veränderung in den die Reflexionsprismen (15) aufweisenden Bereichen durch Einfärbung des Polycarbonats oder durch Wahl der Lichtfarbe der Lichtquelle erzielbar sind.Component according to one of claims 1 to 8,
characterized in that an optical change in the reflection prisms (15) areas can be achieved by coloring the polycarbonate or by choosing the light color of the light source. Bauteil nach einem der Ansprüche 1 bis 9,
dadurch gekennzeichnet, dass das Bauteil ein Dachteil eines Falt- oder Klappdaches eines Cabriolets oder ein Dachteil eines festen Fahrzeugdaches ist oder ein Bestandteil eines solchen Dachteils ist.Component according to one of claims 1 to 9,
characterized in that the component is a roof part of a folding or folding roof of a convertible or a roof part of a fixed vehicle roof or is a part of such a roof part.
EP10012621A 2006-05-15 2007-05-15 Vehicle component made of a polycarbonate with optical effect Withdrawn EP2275733A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006022923A DE102006022923A1 (en) 2006-05-15 2006-05-15 Vehicle component made of polycarbonate with optical effect
EP07009678A EP1857730A3 (en) 2006-05-15 2007-05-15 Vehicle component made of a polycarbonate with optical effect

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP07009678.9 Division 2007-05-15

Publications (1)

Publication Number Publication Date
EP2275733A1 true EP2275733A1 (en) 2011-01-19

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EP07009678A Withdrawn EP1857730A3 (en) 2006-05-15 2007-05-15 Vehicle component made of a polycarbonate with optical effect

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DE102009058788A1 (en) 2009-12-18 2011-06-22 Volkswagen AG, 38440 Rear window for motor vehicle, has light source and lighting device with optically effective element that is enclosed by transparent material i.e. polycarbonate, where window is partially made of transparent material
DE102011014923A1 (en) * 2011-03-24 2012-09-27 Volkswagen Ag Vehicle lamp for illuminating the interior of the vehicle
DE102020105024A1 (en) 2020-02-26 2021-08-26 Webasto SE Method for manufacturing a vehicle surface component by means of multi-component injection molding

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EP1857730A3 (en) 2007-12-05
EP1857730A2 (en) 2007-11-21

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